/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef DIRECTSHOWMEDIATYPELIST_H
#define DIRECTSHOWMEDIATYPELIST_H

#include <dshow.h>

#include <QtCore/qvector.h>

class DirectShowMediaTypeList : public IUnknown
{
public:
    DirectShowMediaTypeList();
    virtual ~DirectShowMediaTypeList();

    IEnumMediaTypes *createMediaTypeEnum();

    void setMediaTypes(const QVector<AM_MEDIA_TYPE> &types);

    virtual int currentMediaTypeToken();
    virtual HRESULT nextMediaType(
            int token, int *index, ULONG count, AM_MEDIA_TYPE **types, ULONG *fetchedCount);
    virtual HRESULT skipMediaType(int token, int *index, ULONG count);
    virtual HRESULT cloneMediaType(int token, int index, IEnumMediaTypes **enumeration);

protected:
    QVector<AM_MEDIA_TYPE> m_mediaTypes;

private:
    int m_mediaTypeToken;
};

#endif
